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There, they break apart and are absorbed by the lining of the rectum, which is a good avenue for absorbing various molecules
Because its complete cofactor amounts are easier to verify from the official listing
This is important because some individuals, especially those with specific health conditions (like genetic mutations or absorption issues), may have difficulty metabolizing regular B12
Transcellular transport requires specific mechanisms (receptor-mediated transcytosis, active transporters) which may not exist for all peptides
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